void DVRServer::disconnectedSlot()
{
while (!m_visibleCameras.isEmpty())
{
DVRCamera *c = m_visibleCameras.takeFirst();
c->setOnline(false);
emit cameraRemoved(c);
}
m_devicesLoaded = false;
m_statusAlertMessage.clear();
emit statusAlertMessageChanged(QString());
}
void DVRServer::updateCamerasReply()
{
QNetworkReply *reply = qobject_cast<QNetworkReply*>(sender());
if (!reply)
return;
qDebug() << "DVRServer: Received cameras list reply";
reply->deleteLater();
if (reply->error() != QNetworkReply::NoError)
{
/* TODO: Handle this well */
qWarning() << "DVRServer: Error from updating cameras:" << reply->errorString();
return;
}
QByteArray data = reply->readAll();
QXmlStreamReader xml(data);
QSet<int> idSet;
bool hasDevicesElement = false;
bool wasEmpty = m_visibleCameras.isEmpty();
while (xml.readNextStartElement())
{
if (xml.name() == QLatin1String("devices"))
{
hasDevicesElement = true;
while (xml.readNext() != QXmlStreamReader::Invalid)
{
if (xml.tokenType() == QXmlStreamReader::EndElement && xml.name() == QLatin1String("devices"))
break;
else if (xml.tokenType() != QXmlStreamReader::StartElement)
continue;
if (xml.name() == QLatin1String("device"))
{
bool ok = false;
QString idv = xml.attributes().value(QLatin1String("id")).toString();
if (idv.isNull())
continue;
int deviceId = (int)idv.toUInt(&ok);
if (!ok)
{
xml.raiseError(QLatin1String("Invalid device ID"));
continue;
}
idSet.insert(deviceId);
DVRCamera *camera = getCamera(deviceId);
if (camera)
{
camera->setOnline(true);
DVRCameraXMLReader xmlReader;
if (!xmlReader.readCamera(camera, xml))
{
if (!xml.hasError())
xml.raiseError(QLatin1String("Device parsing failed"));
continue;
}
else
{
DVRCameraSettingsWriter settingsWriter;
settingsWriter.writeCamera(camera);
}
}
if (!m_visibleCameras.contains(camera))
{
m_visibleCameras.append(camera);
emit cameraAdded(camera);
}
}
}
break;
}
else
xml.skipCurrentElement();
}
if (!hasDevicesElement)
xml.raiseError(QLatin1String("Invalid format: no devices element"));
if (xml.hasError())
{
qWarning() << "DVRServer: Error while parsing camera list:" << xml.errorString();
return;
}
for (int i = 0; i < m_visibleCameras.size(); ++i)
{
if (!idSet.contains(m_visibleCameras[i]->data().id()))
{
DVRCamera *c = m_visibleCameras[i];
m_visibleCameras.removeAt(i);
m_camerasMap.remove(c->data().id());
qDebug("DVRServer: camera %d removed", c->data().id());
emit cameraRemoved(c);
--i;
delete c;
}
}
if (!m_devicesLoaded || (wasEmpty && !m_visibleCameras.isEmpty()))
{
m_devicesLoaded = true;
emit devicesReady();
}
}